v2.0.0-alpha.2

Changelog

c6aae5a 📖 quick start update to install 2.0.0-alpha.1
f62636b :bugfix: avoid duplicate import/add-to-scheme code snippets
a205045 :bugfix: fixed path-to-crd-dir in controller test suite
1d3c489 Add version dependent questions for apis
5a57e96 README: Update broken book links
d438180 Update controller file path
b39c966 Update cronjob_controller.go
0d4339b chore: user real example, and fix yaml in markdown
55dc1af reflect v2 directory structure in cmd questions.
30141df remove paths for yes/no questions in api cmd
a28e6c1 scaffold/v2/group: fix comment capitalization for golint